Carbon Shop UI

Carbon Shop UI is a set of 12 shop and economy widgets drawn in the realistic style, where a five-stop specular gradient runs down a brushed metal face with rivets at the corners. It contains four purchase row states, an active and an idle category tab, a wallet strip, a quantity stepper, a purchase confirm strip and three countable stock indicators.

A shop screen has one job an inventory screen never has: it must tell the player what they cannot afford before they press the button. Most free sets solve that by turning the price red, which fails for the players who cannot read that red and fails again on a greyscale screenshot. It also collides with the health colour every other part of the interface already uses.

The brush texture is a 3px line pattern rather than real noise: noise triples the PNG weight for a texture nobody can see at 1x. The shadow is layered rather than blurred so it holds up at 4x.

Inside that style this is the Carbon reading of it: a dark interface on a near black palette with warning amber accents, built around four corner brackets in place of a closed border, chamfered buttons at 152x44, hollow-cored bars divided into 14 segments, and two-tone icons on a 32px grid. Those measurements are why two families can share an art style without being interchangeable: the style decides how an edge is drawn, the numbers decide what the interface is for.

The four row states are told apart by structure rather than by colour. An affordable row carries a solid strip down its left edge, an unaffordable one carries a dashed strip and a bar struck across its price field, and an owned one caps the price field shut and marks its top-right corner. That means the state survives a tint, a colourblind filter and a screenshot with the saturation pulled out. The stock indicator is countable for the same reason: five dots, one dot and none read as full, low and sold out without a single word or hue.

Every sprite ships as an editable SVG and as transparent PNG at 1x, 2x and 4x, so you can drop the PNGs straight into an engine or open the vector and change a colour. Built to the same measurements as the rest of the Carbon family, which means this kit and the Carbon panel kit line up without either being resized. A good fit for realistic and simulation interfaces.

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